Chongqing Yaoda Hongcheng Metal Products Co., Ltd.
Chongqing Yaoda Hongcheng Metal Products Co., Ltd.
Chongqing, China

1.We mainly export products to Asia, Europe, Oceania, and

South America Africa
2.All our products are manufactured by latest manufacturing

techniques with machines and equipment, which fitted with

highest technology, With our technical knowledge and over

10 years of experience,

3.we have successfully supplied to many overseas projects

and subcontractors especially for constructions.
4.In order to remove the iron oxide on the surface of steel

pipes, after pickling, the pipes are cleaned through ammoni

-um chloride or zinc chloride aqueous solution or ammonium

chloride and zinc chloride mixed aqueous solution tank, and

then sent